Test pitting



Feb'. 16,1926. 1,573,410

F. E. MCCABE ET AL TEST FITTING Filed Feb 7, 1925 2 Sheets-SheetI l Feb.16,1926; y

F. E. MCCABE ET AL TEST FITTING Filed Feb. 7, 1923 2 Sheets-Shree?I 2 M@Wg/Qc www M MM igys.

of apost 20, the post being hollow 1 an internally threaded aperture atits center vwithin which operates the threaded portion and preferablyformed of a section of pipe. At its upper end the ypost engages theelbow 12 Y about the boss 15, the boss serving to properly positiontheupper end of the boss centrally with respect to the closure.

In the use of this form of the invention, after the riser or drain hasbeen installed,

withthe shell l incorporated as a permanent v.partthereof,'the base 18is inserted through fthe'lateralbranch 5 and dropped upon the imentVwith the seat S,` afteiwhichthe post QO f is-z screwedupwardly intoengagement with .abutment portion or shoulder being screwed down through9, the post 2O the base sufliciently to make the insertion -of the baseeasy and prevent interference with the subsequentfinsertion of theclosure 10. To en-k able tlie basetobe passed through the open- -ing ofthe-'branch 5, itis cut away at diainetrically opposite points, as`indicated at .21. The closure 10, carrying the gasket 11, .is nextinserted and brought upV into engagetheelosure. kByineansof a pipewrench or other suitable tool, engaged with the smoothY part'of thepost, the post maybe turned in a'direction Yto elevate it and press thelclosure very firmly against theseat toefl'ect a leak- `proof` joint.

-properly connected to a 'sourceV of testing fiuid, such asl the citywater supply, the valvev 14 is opened to vallow the testing fluid orwater-to rise within the conduit above the fitting to a given-elevation,whereupon the valve 1&1 is closed andthe testing fluid is left standing`for a given period of time :for the .purpose of determining where, if atall, ,the conduit section leaks. After the test has been made, thefluid-may be drainedY off through the pipe 13 by disconnecting it atsome point from the supply and opening the valve 14. With the testingliuid drained .from the conduit,y the post 20 is lowered, the

E closure 10 removed, and the base 18 lifted from ythe shell, afterwhich the lateral branch 5 of the shell may be closed, as by 1x means ofthe plug.

suppoiitiforlthe-post 20, serves as an effective means .for preventingobjects,V such as` .'wrenches orv otherftools, being dropped down .Theybase 18, aside from-its constituting ak the ,riser on drain.

In. the form of our invention illustrated After ,the` supply ,pipe 13is` in Figs. 5 and 6, the supplyconiiection for the testing fluid isremoved from the closure and is made through the wall of the fittingabove the seat 8. The testing fluid pipe is designated l13, and the diseclosurelO, 1n all other respects -this modification of the invention maybe identical with that above described. y

Having thus described our inventioii,wliat we claim is:

1. A test fitting of the character set forth comprising a shell designedfor connection atvopposite ends with conduit sections and having anopeningV in its side, anV annular seat extending about the interior ofthe shell between said opening and one endof the shell, an abutmentportion opposed to the seat and situated between the aforesaid openingand the opposite end of the shell, a disk inseitable through saidopening for enf gagement with the seat, said disk having a ycentralboss, a base insertalole through the opening for engagement with thesaid abutment portion, a tubular post having screw connection with thebase centrally thereof and arranged to receive the boss of the disk, andmeans for introducing a testing fluid into the conduit beyond the sideof the disk adjacent'said seat. Y

2. A test fitting of the character setforth comprising a shell designedfor connection at-oppositeends with conduit sections,`V said shellhaving an opening in its side, an annular seat extending about ,theinterior of the shell between said opening and one end of the shell7 anabutment portion opposed to `said seat, a disk insertable through saidopening for engagement .with the seat, the disk havingformed integralwith it anelbow which ope-ns at its inner end through the side of ,thediskadjacent the seat and at its outerrend through the side thereofremote from said seat, a base insertablethrough the aforesaid openingindeliendently of the disk for engagement with the vabutment portion,and a post threaded within the base for engageinent with the disk, saidpost serving when rotated in an appropriate'direction with respect tothe base to force the disk lagainst the seat.

3. A test fittingof the character set forth comprising a shell designedfor connection at opposite ends with conduit sections, said shell havingan opening in its side, an annular seat extending about the .interior ofthe shell between said opening Vand one end lof the shell, l:in/abutmentportion opposed to and the opposite end ofthe shell, a diskinrsertabie:through said opening for engagement Vwith the seat, thediskV incorporating an elbow whichxopens at its inner endV through theside of vthe disk adjacent the seat and at its outer'fend near the edgeof the ,disk on the side 'thereofA- reinotefrom said seat, the elbowhaving at its angie a positioning boss that is central with respect tothe disk, a base insertabie through the aforesaid opening independentlyof the disk for engagement with the abutment portion, said base having acentral threaded aperture, and atubular post threaded through saidaperture and arranged to engage said positioning boss and force the diskagainst the seat when the post is screwed upwardly. 10 In testimonywhereof, We hereunto affix our signatures.

FRANK E. MCCABE. MICHAEL L. ROSHETKO.

